{"id":3309430,"slug":"ulas-j133836-97-022910-7","name":"ULAS J133836.97-022910.7","domain":"deep-sky","class":"star","otype":"BD*","otype_label":"BrownD*","ra":204.654212,"dec":-2.485678,"coo_err_mas":null,"coo_bibcode":"2020ApJS..249....3A","plx_mas":null,"pmra":-67.236,"pmdec":-273.985,"rv_kms":null,"redshift":null,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":17.374,"kmag":16.367,"sp_type":"sdL7","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":8,"simbad_oid":11603118,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-08-23T13:31:20.724032+00:00","views":8,"first_seen":"2026-08-14T16:53:25.171455+00:00","updated_at":"2026-09-20T03:26:41.082500+00:00","identifiers":["CWISE J133836.94-022912.0","EQ J1338-0229","EQ J133836.94-022912.2","SDSS J133837.01-022908.4","ULAS J133836.97-022910.7","WISEA J133836.96-022911.0","WISE J133836.97-022910.8"],"measurements":[{"parameter":"distance","value":39.3,"value_text":null,"unit":"pc","err_plus":null,"err_minus":null,"band":null,"method":"ST-L","source":"simbad","reference":"2021A&A...650A.190G","ref_year":2021},{"parameter":"effective_temperature","value":1592.0,"value_text":null,"unit":"K","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2025ApJ...982...79B","ref_year":2025},{"parameter":"magnitude","value":17.374,"value_text":null,"unit":"mag","err_plus":0.033,"err_minus":0.033,"band":"J","method":"V","source":"simbad","reference":"2013yCat.2319....0L","ref_year":2013},{"parameter":"magnitude","value":16.367,"value_text":null,"unit":"mag","err_plus":0.045,"err_minus":0.045,"band":"K","method":"V","source":"simbad","reference":"2013yCat.2319....0L","ref_year":2013},{"parameter":"magnitude","value":16.813,"value_text":null,"unit":"mag","err_plus":0.042,"err_minus":0.042,"band":"H","method":"V","source":"simbad","reference":"2013yCat.2319....0L","ref_year":2013},{"parameter":"magnitude","value":25.053,"value_text":null,"unit":"mag","err_plus":0.767,"err_minus":0.767,"band":"g","method":"A","source":"simbad","reference":"2009ApJS..182..543A","ref_year":2009},{"parameter":"magnitude","value":20.059,"value_text":null,"unit":"mag","err_plus":0.144,"err_minus":0.144,"band":"z","method":"A","source":"simbad","reference":"2009ApJS..182..543A","ref_year":2009},{"parameter":"magnitude","value":22.61,"value_text":null,"unit":"mag","err_plus":0.312,"err_minus":0.312,"band":"i","method":"A","source":"simbad","reference":"2009ApJS..182..543A","ref_year":2009},{"parameter":"magnitude","value":25.355,"value_text":null,"unit":"mag","err_plus":1.189,"err_minus":1.189,"band":"u","method":"A","source":"simbad","reference":"2009ApJS..182..543A","ref_year":2009},{"parameter":"magnitude","value":23.512,"value_text":null,"unit":"mag","err_plus":0.436,"err_minus":0.436,"band":"r","method":"A","source":"simbad","reference":"2009ApJS..182..543A","ref_year":2009},{"parameter":"pm_dec","value":-273.985,"value_text":null,"unit":"mas/yr","err_plus":8.131,"err_minus":8.131,"band":null,"method":null,"source":"simbad","reference":"2021A&A...650A.190G","ref_year":2021},{"parameter":"pm_ra","value":-67.236,"value_text":null,"unit":"mas/yr","err_plus":6.921,"err_minus":6.921,"band":null,"method":null,"source":"simbad","reference":"2021A&A...650A.190G","ref_year":2021},{"parameter":"sed_flux","value":3.54e-06,"value_text":null,"unit":"Jy","err_plus":9.2e-07,"err_minus":9.2e-07,"band":"SDSS:i","method":"J/MNRAS/480/5447/table1","source":"vizier","reference":"J/MNRAS/480/5447/table1","ref_year":null},{"parameter":"sed_flux","value":0.000198,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"MKO:H","method":"J/MNRAS/480/5447/table1","source":"vizier","reference":"J/MNRAS/480/5447/table1","ref_year":null},{"parameter":"sed_flux","value":0.000176,"value_text":null,"unit":"Jy","err_plus":5e-06,"err_minus":5e-06,"band":"MKO:J","method":"J/MNRAS/480/5447/table1","source":"vizier","reference":"J/MNRAS/480/5447/table1","ref_year":null},{"parameter":"sed_flux","value":3.31e-05,"value_text":null,"unit":"Jy","err_plus":4.6e-06,"err_minus":4.6e-06,"band":"SDSS:z","method":"J/MNRAS/480/5447/table1","source":"vizier","reference":"J/MNRAS/480/5447/table1","ref_year":null},{"parameter":"sed_flux","value":0.00176,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000319,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":9.62e-05,"value_text":null,"unit":"Jy","err_plus":1.04e-05,"err_minus":1.04e-05,"band":"WISE:W2","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.000149,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"WISE:W1","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":2.19e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"SDSS:z","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":3.56e-06,"value_text":null,"unit":"Jy","err_plus":9.1e-07,"err_minus":9.1e-07,"band":"SDSS:i","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":1.39e-06,"value_text":null,"unit":"Jy","err_plus":5.8e-07,"err_minus":5.8e-07,"band":"SDSS:r","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":2.92e-07,"value_text":null,"unit":"Jy","err_plus":2.18e-07,"err_minus":2.18e-07,"band":"SDSS:g","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":2.69e-07,"value_text":null,"unit":"Jy","err_plus":2.78e-07,"err_minus":2.78e-07,"band":"SDSS:u","method":"I/353/gsc242","source":"vizier","reference":"I/353/gsc242","ref_year":null},{"parameter":"sed_flux","value":0.00146,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000342,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":9.63e-05,"value_text":null,"unit":"Jy","err_plus":1.16e-05,"err_minus":1.16e-05,"band":"WISE:W2","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000146,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"WISE:W1","method":"II/311/wise","source":"vizier","reference":"II/311/wise","ref_year":null},{"parameter":"sed_flux","value":0.000179,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"UKIDSS:K","method":"II/319/las9","source":"vizier","reference":"II/319/las9","ref_year":null},{"parameter":"sed_flux","value":0.000192,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"UKIDSS:H","method":"II/319/las9","source":"vizier","reference":"II/319/las9","ref_year":null},{"parameter":"sed_flux","value":0.000172,"value_text":null,"unit":"Jy","err_plus":5e-06,"err_minus":5e-06,"band":"UKIDSS:J","method":"II/319/las9","source":"vizier","reference":"II/319/las9","ref_year":null},{"parameter":"sed_flux","value":7.6e-05,"value_text":null,"unit":"Jy","err_plus":4.1e-06,"err_minus":4.1e-06,"band":"UKIDSS:Y","method":"II/319/las9","source":"vizier","reference":"II/319/las9","ref_year":null},{"parameter":"sed_flux","value":0.00176,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W4","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.00032,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"WISE:W3","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":9.62e-05,"value_text":null,"unit":"Jy","err_plus":1.04e-05,"err_minus":1.04e-05,"band":"WISE:W2","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":0.000149,"value_text":null,"unit":"Jy","err_plus":6e-06,"err_minus":6e-06,"band":"WISE:W1","method":"II/328/allwise","source":"vizier","reference":"II/328/allwise","ref_year":null},{"parameter":"sed_flux","value":5.54e-05,"value_text":null,"unit":"Jy","err_plus":2.7e-06,"err_minus":2.7e-06,"band":"PAN-STARRS/PS1:y","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":2.19e-05,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"PAN-STARRS/PS1:z","method":"II/349/ps1","source":"vizier","reference":"II/349/ps1","ref_year":null},{"parameter":"sed_flux","value":1.98e-05,"value_text":null,"unit":"Jy","err_plus":2.4e-06,"err_minus":2.4e-06,"band":"VISTA:Z","method":"II/350/vstatlas","source":"vizier","reference":"II/350/vstatlas","ref_year":null},{"parameter":"sed_flux","value":9.75e-05,"value_text":null,"unit":"Jy","err_plus":4.1e-06,"err_minus":4.1e-06,"band":"WISE:W2","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.00015,"value_text":null,"unit":"Jy","err_plus":4e-06,"err_minus":4e-06,"band":"WISE:W1","method":"II/365/catwise","source":"vizier","reference":"II/365/catwise","ref_year":null},{"parameter":"sed_flux","value":0.000144,"value_text":null,"unit":"Jy","err_plus":2e-06,"err_minus":2e-06,"band":"VISTA:Ks","method":"II/383/kids_dr5","source":"vizier","reference":"II/383/kids_dr5","ref_year":null},{"parameter":"sed_flux","value":0.000133,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"VISTA:H","method":"II/383/kids_dr5","source":"vizier","reference":"II/383/kids_dr5","ref_year":null},{"parameter":"sed_flux","value":0.000129,"value_text":null,"unit":"Jy","err_plus":1e-06,"err_minus":1e-06,"band":"VISTA:J","method":"II/383/kids_dr5","source":"vizier","reference":"II/383/kids_dr5","ref_year":null},{"parameter":"sed_flux","value":1.98e-05,"value_text":null,"unit":"Jy","err_plus":2.4e-06,"err_minus":2.4e-06,"band":"VISTA:Z","method":"II/385/vst_atlas4","source":"vizier","reference":"II/385/vst_atlas4","ref_year":null},{"parameter":"sed_flux","value":6.26e-05,"value_text":null,"unit":"Jy","err_plus":3e-07,"err_minus":3e-07,"band":"PAN-STARRS/PS1:y","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":2.6e-05,"value_text":null,"unit":"Jy","err_plus":2.6e-06,"err_minus":2.6e-06,"band":"PAN-STARRS/PS1:z","method":"II/389/ps1_dr2","source":"vizier","reference":"II/389/ps1_dr2","ref_year":null},{"parameter":"sed_flux","value":4.14e-05,"value_text":null,"unit":"Jy","err_plus":5.7e-06,"err_minus":5.7e-06,"band":"SDSS:z","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":3.95e-06,"value_text":null,"unit":"Jy","err_plus":1.54e-06,"err_minus":1.54e-06,"band":"SDSS:i","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":1.04e-06,"value_text":null,"unit":"Jy","err_plus":8.3e-07,"err_minus":8.3e-07,"band":"SDSS:r","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":5.01e-07,"value_text":null,"unit":"Jy","err_plus":3.98e-07,"err_minus":3.98e-07,"band":"SDSS:g","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":8.58e-07,"value_text":null,"unit":"Jy","err_plus":8.72e-07,"err_minus":8.72e-07,"band":"SDSS:u","method":"V/154/sdss16","source":"vizier","reference":"V/154/sdss16","ref_year":null},{"parameter":"sed_flux","value":9.64e-05,"value_text":null,"unit":"Jy","err_plus":1.07e-05,"err_minus":1.07e-05,"band":"WISE:W2","method":"J/A+A/589/A49/table3","source":"vizier","reference":"J/A+A/589/A49/table3","ref_year":null},{"parameter":"sed_flux","value":0.000149,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"WISE:W1","method":"J/A+A/589/A49/table3","source":"vizier","reference":"J/A+A/589/A49/table3","ref_year":null},{"parameter":"sed_flux","value":0.000179,"value_text":null,"unit":"Jy","err_plus":8e-06,"err_minus":8e-06,"band":"UKIDSS:K","method":"J/A+A/589/A49/table3","source":"vizier","reference":"J/A+A/589/A49/table3","ref_year":null},{"parameter":"sed_flux","value":0.000192,"value_text":null,"unit":"Jy","err_plus":7e-06,"err_minus":7e-06,"band":"UKIDSS:H","method":"J/A+A/589/A49/table3","source":"vizier","reference":"J/A+A/589/A49/table3","ref_year":null},{"parameter":"sed_flux","value":0.000172,"value_text":null,"unit":"Jy","err_plus":5e-06,"err_minus":5e-06,"band":"UKIDSS:J","method":"J/A+A/589/A49/table3","source":"vizier","reference":"J/A+A/589/A49/table3","ref_year":null},{"parameter":"sed_flux","value":7.63e-05,"value_text":null,"unit":"Jy","err_plus":4.2e-06,"err_minus":4.2e-06,"band":"UKIDSS:Y","method":"J/A+A/589/A49/table3","source":"vizier","reference":"J/A+A/589/A49/table3","ref_year":null},{"parameter":"sed_flux","value":5.6e-05,"value_text":null,"unit":"Jy","err_plus":7.2e-06,"err_minus":7.2e-06,"band":"SDSS:z","method":"J/A+A/589/A49/table3","source":"vizier","reference":"J/A+A/589/A49/table3","ref_year":null},{"parameter":"sed_flux","value":5.26e-06,"value_text":null,"unit":"Jy","err_plus":1.27e-06,"err_minus":1.27e-06,"band":"SDSS:i","method":"J/A+A/589/A49/table3","source":"vizier","reference":"J/A+A/589/A49/table3","ref_year":null},{"parameter":"sed_flux","value":0.000183,"value_text":null,"unit":"Jy","err_plus":8e-06,"err_minus":8e-06,"band":"MKO:K","method":"J/MNRAS/480/5447/table1","source":"vizier","reference":"J/MNRAS/480/5447/table1","ref_year":null},{"parameter":"spectral_type","value":null,"value_text":"sdL9","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2025ApJ...982...79B","ref_year":2025},{"parameter":"spectral_type","value":null,"value_text":"sdL7","unit":null,"err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2017MNRAS.464.3040Z","ref_year":2017},{"parameter":"surface_gravity","value":4.6,"value_text":null,"unit":"log(cm/s2)","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2025ApJ...982...79B","ref_year":2025}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=ULAS J133836.97-022910.7","fetched_at":"2026-08-23T13:31:08.936991+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=204.654212%20-2.485680&-c.rs=5","fetched_at":"2026-08-23T13:31:20.722586+00:00"}]}